20178330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1291}}^1$

素因数の和:1822

約数の個数: 32

約数和(自身を含む): 48558528

約数和(自身を除く): 28380198

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 521, 1042, 1291, 1563, 2582, 2605, 3126, 3873, 5210, 6455, 7746, 7815, 12910, 15630, 19365, 38730, 672611, 1345222, 2017833, 3363055, 4035666, 6726110, 10089165, 20178330]

約数ペア:

[(1, 20178330), (2, 10089165), (3, 6726110), (5, 4035666), (6, 3363055), (10, 2017833), (15, 1345222), (30, 672611), (521, 38730), (1042, 19365), (1291, 15630), (1563, 12910), (2582, 7815), (2605, 7746), (3126, 6455), (3873, 5210)]